Akio Ōtsuka (大塚 明夫, Ōtsuka Akio, born November 24, 1959) is a Japanese actor and voice actor from the Tokyo Metropolitan area. He is currently attached to Mausu Promotion.
The astringent and calm quality of his voice has landed him many roles in films, dubbing, animation, and video games. He is most known for the roles of Black Jack (Black Jack), Solid Snake (Metal Gear Solid), Xehanort (Kingdom Hearts), Shunsui Kyouraku (Bleach), Lieutenant Garuru (Sgt. Frog), Gwendal von Voltaire (Kyo Kara Maoh!), Batou (Ghost in the Shell) series and movies, Blackbeard (One Piece), Twin brother police Inspector's Sango and Jugo Yokomizo (Detective Conan), and Anavel Gato (Mobile Suit Gundam 0083: Stardust Memory). Apart from voicing villainous or jokester characters, he also occasionally does narration for anime shows.
Bold denotes main characters